Quiz
Science Chemistry Yr 8; Part 1
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Questions in this quiz (20)
1Which of the following are physical changes?

- ADying hair
- BBoiling water
- CChopping wood
2Changing a solid into a gas is called...?
- ASolidification
- BDeposition
- CSublimation
3Condensation is when...
- AWhen a liquid is cooled enough to change from a liquid to a solid
- BWhen gas cools and becomes a liquid
- CWhen liquid is warmed and becomes a gas
4Dissolving is when a solid is dissolved into liquid.
- ATrue
- BFalse
5You can detect when a chemical change has occurred when...

- AColour Change
- BGas Formation (Bubbles or smell)
- CNew substance being formed
- DHeat or Light is produced
- EDissolves
6Endothermic Change...
- AAbsorbs energy from its surroundings. If it occurs in a test tube, the test tube will feel cold because the reaction absorbs heat from your skin.
- BGives off energy in the form of heat, light & sound.
- CGives you Frostbite
7Everything is made from...
- ACells
- BMolecules
- Cmoving light particles
8Particles move faster because of heat and they need more room to cool down.
- ATrue
- BFalse
9A solvent is...
- AThe liquid in a solution
- BThe solid dissolving in the solution
10Density is the weight of an object.
- ATrue
- BFalse
11Density is found by...
- ADividing Mass by Volume
- BDividing Volume by Mass
- CMultiplying Mass by Volume
12Ethanol is denser than water.
- ATrue
- BFalse
13Molecules are made up from...
- ACells
- BAtoms
- CMore molecules
14Water is made up from 2 hydrogen atoms and 1 oxygen atom

- ATrue
- BFalse
15All chemical reaction equations have 2 reactants and 1 or more products.
- ATrue
- BFalse
16Magnesium Sulfate and Hydrogen Gas are products made from the reactants of...
- AHydrogen and Magnesium
- BSulfuric Acid and Oxygen
- CMagnesium and Sulfuric Acid
17Spontaneous Reactions are reactions that proceed by themselves.
- ATrue
- BFalse
18Rusting is the name given to...

- ACorrosion of iron
- BCorrosion of steel
- CA dog
19Ways of preventing rusting are...
- ACoating
- BAlloying
- CGalvanising
- DPainting
20You can write chemical reaction equations in...
- AWords
- BSymbols
- CNumbers
Information
- Description
- A science quiz on chemical changes, physical changes and atoms
- Author
- ScarletFox
- Language
- English
- Views
- 36
- Rating
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